R13: 00007fd996b00048 R14: 000055555f6064e8 R15: 00007ffdf28b2cc0
---[ end trace c686a28188de88df ]---
list_del corruption. prev->next should be ffff88810d398c40, but was ffff888132d6ac40
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 978 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 a6 a2 38 02 0f 0b 48 c7 c7 60 83 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 83 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 84 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000cf7ad8 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810d398c40 RCX: 00ffa72924f7e400
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90000cf7af8 R08: ffff8881f7127453 R09: 1ffff1103ee24e8a
R10: dffffc0000000000 R11: ffffed103ee24e8b R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888132d6ac40 R15: ffff88810d398b30
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ec37ceff8 CR3: 000000000640f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:132 [inline]
 dentry_unlist fs/dcache.c:526 [inline]
 __dentry_kill+0x24c/0x650 fs/dcache.c:579
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:883
 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166
 incfs_kill_sb+0x1aa/0x210 fs/incfs/vfs.c:1979
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x45b/0x510 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa90/0x2500 kernel/exit.c:872
 do_group_exit+0x141/0x310 kernel/exit.c:986
 __do_sys_exit_group kernel/exit.c:997 [inline]
 __se_sys_exit_group kernel/exit.c:995 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:995
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd996a6a819
Code: Unable to access opcode bytes at RIP 0x7fd996a6a7ef.
RSP: 002b:00007ffdf28b0938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd996b000a8 RCX: 00007fd996a6a819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000009 R08: 0000000000000000 R09: 00007fd996b00048
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf28b1bf0
R13: 00007fd996b00048 R14: 000055555f6064e8 R15: 00007ffdf28b2cc0
Modules linked in:
---[ end trace c686a28188de88e0 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 a6 a2 38 02 0f 0b 48 c7 c7 60 83 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 83 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 84 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48
RSP: 0018:ffffc90000cf7ad8 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88810d398c40 RCX: 00ffa72924f7e400
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc90000cf7af8 R08: ffff8881f7127453 R09: 1ffff1103ee24e8a
R10: dffffc0000000000 R11: ffffed103ee24e8b R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888132d6ac40 R15: ffff88810d398b30
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ec37ceff8 CR3: 000000000640f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400